These Are the 16 Superfoods You'll Be Eating in 2019

Tiger nuts aren't actually nuts, but rather a type of tuber that is high in insoluble fiber, which aids in digestive health. "Tiger nuts also contain enzymes, such as amylases and lipases, that could help with digestion," Brissette said. "They're also rich in monounsaturated fats, the same heart-healthy type found in olive oil and avocados. And because they are rich in the amino acid arginine, they could also improve insulin sensitivity and help control blood sugar."

Try Tiger Nuts ($13) in this paleo-friendly coconut bread recipe.